The following SPML code should clear attribute's "showWorkstations" when value is "NOLOGON":
The following error is shown:
Disable policy "Built-in Policy - ERFM - Mailbox Management".
1.- Upgrade to ARS v7.2.1.
2.- Apply ARS v7.2.1 hotfix. Click here to download this hotfix.
This issue has been fixed in ARS v7.2.1